(Answered) A random sample of 400 students was chosen from the stat

Statistics

A random sample of 400 students was chosen from the stat 100 classes. the frequency distribution below show the distribution for study time each week (in hours)

Study Time (in hours) Frequency Relative

0.0 - 5.0 16

5.1- 10.0 56

10.1-15.0 0.25

15.1-20.0 120

20.1-25.0

Total 400

a) Complete the frequency table with frequency and relative. Express the relative frequency to two decimal places.

b) What percentage of the study times was not more than 15 hours

c) In what class interval bus the median lie? 5.1-10.0, 10.1-15.0,15.1-20.0 or 20.1-25.0

View complete question

Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M92521524
Price:- $15

Verified Expert

Priced at $30 Now at $15, Verified Solution

Have any Question?Write your Review or question?

Related Questions in Statistics and Probability

If you want to be 95 confident of estimating the population

If you want to be 95?% confident of estimating the population mean to within a sampling error of ±25 and the standard deviation is assumed to be 125?, what sample size is? required?

Some statistics students were interested in finding out in

Some Statistics students were interested in finding out in there was a relationship between the number of hours of study for a chapter and the score on that test. On the basis of the number of hours their classmates stud ...

A lot contains 15 items and 6 are defective if two items

A lot contains 15 items and 6 are defective. If two items are drawn at random from the lot, without replacement, what is the probability there is exactly one non-defective? (Hint: You have to use both Multiplication and ...

Forty-nine percent of us teens have heard of a fax machine

Forty-nine percent of US teens have heard of a fax machine. You randomly select 12 US teens. Find the probability that the number of these selected teens that have heard of a fax machine is exactly six (first answer list ...

Assume that the fisherman can use between 5 and 8 lines

Assume that the fisherman can use between 5 and 8 lines. With 5 lines, the probability of a catch on each line is 0.71. With 6 this probability is 0.63, with 7 it is 0.51, and with 8 the probability is 0.43. 1) How many ...

What is the probability of a value from a normal

What is the probability of a value from a normal distribution being between 0.75 standard deviations above the mean and 1.75 standard deviations below the mean? (Round calculations to nearest thousandth (3 digits))

The following frequency table summarizes the distances in

The following frequency table summarizes the distances in miles of 100 patients from a regional hospital. Distance Frequency 0-2 30 2-4 35 4-6 20 6-8 ...

Given the following information from pharoah corporation

Given the following information from Pharoah Corporation, what price would the CAPM predict that the company's stock will trade for one year from today? (Do not round intermediate calculations. Round final answer to 2 d ...

Last year galaxy corp had 350000 of assets which is equal

Last year Galaxy Corp had $350,000 of assets (which is equal to its total invested capital), $475,000 of sales, $30,250 of net income, and a debt-to-capital ratio of 40%. The new CFO believes the firm has excessive fixed ...

What steps do i take to calculate suppose x has a

What steps do I take to calculate "Suppose x has a distribution with a mean of 40 and a standard deviation of 28. Random samples of size n = 64 are drawn. (the - next to the x indicates that the - is over the x in the qu ...

4,153,160 Questions Asked
13,132 Experts
2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Recent Questions

Ask Statistics and Probability Expert